David Handermann created NIFI-16123:
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Summary: Add Connection Status Event Recording to Component Metric
Reporter
Key: NIFI-16123
URL: https://issues.apache.org/jira/browse/NIFI-16123
Project: Apache NiFi
Issue Type: Improvement
Components: Core Framework
Reporter: David Handermann
Assignee: David Handermann
The {{ComponentMetricReporter}} framework extension interface should be updated
to support processing Connection Status Events, produced after committing
transactions in the {{StandardProcessSession}} class. Similar to
{{ProcessSessionEvents}}, a new Connection Status Event should include the
count and size of FlowFiles queued for Connections handled during
{{ProcessSession}} operations. The purpose of recording Connection Status
Events is to provide direct support for exporting the current status of
processed Connections, as opposed to the periodic tracking implemented for the
{{StatusHistoryRepository}}.
Recording Connection Status Events should be an optional feature of the
{{ComponentMetricReporter}} with a default interface method that does not
perform an operations. With Connection Status Events requiring object creation,
the {{ComponentMetricReporter}} should also include a method that provides
enabled status for recording Connection Status, allowing the calling
{{StandardProcessSession}} to avoid unnecessary operations when recording is
disabled.
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